We are pleased to confirm immediate availability for 639-02 (Parts Kit Pressure), carrying NSN 4820-01-137-7201 and manufactured by Norgren C A Ltd (CAGE code 43990). This certified component is classified under FSG 48 Valves/FSC 4820 Valves Nonpowered (NIIN: 01-137-7201), meeting all military specifications for guaranteed traceability and performance compliance.
To receive a rapid quote for part 639-02 (15-minute response guaranteed), please complete the form below. Providing detailed requirements ensures our specialists can quickly deliver competitive pricing, verified availability, and exact specification matching for NSN 4820-01-137-7201. Rest assured, you’ll receive the precise aerospace component your project demands.
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Aviation Purchasing Platform is a trusted sourcing solution owned and operated by ASAP Semiconductor—an AS9120B, ISO 9001:2015, and FAA 0056B certified distributor. With access to over 10 million national stock numbers (NSNs) across 26+ federal supply categories, we specialize in procuring rare, obsolete, and long-lead-time components, including Norgren C A Ltd parts. Our industry-leading turnaround and delivery ensure rapid fulfillment for critical aerospace and defense needs.
Every 4820-01-137-7201—including this part—is uniquely labeled to reflect its integration into the U.S. DoD supply system. As a National Stock Number, it signifies compliance with NATO and U.S. Department of Defense standards, ensuring traceability, quality, and interoperability across allied military operations.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-01-137-7201 Item Description: Parts Kitpressure Regulating Va | 4820 | 011377201 | N | |||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| A | ||||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 639-02 | 5 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AJJW | COMPONENT QUANTITY | 2 |
| AJKD | NONSUPPLY ITEMS AND QUANTITIES | VALVE DISK 1 TAMPER PROOF CAP 1 |
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